src/gallium/drivers/r600/r600_resource.h

   1 /*
   2  * Copyright 2010 Marek Olšák <maraeo@gmail.com
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #ifndef R600_RESOURCE_H
  24 #define R600_RESOURCE_H
  25
  26 #include "../../winsys/radeon/drm/radeon_winsys.h"
  27 #include "util/u_range.h"
  28
  29 struct r600_screen;
  30
  31 /* flag to indicate a resource is to be used as a transfer so should not be tiled */
  32 #define R600_RESOURCE_FLAG_TRANSFER             PIPE_RESOURCE_FLAG_DRV_PRIV
  33 #define R600_RESOURCE_FLAG_FLUSHED_DEPTH        (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
  34 #define R600_RESOURCE_FLAG_FORCE_TILING         (PIPE_RESOURCE_FLAG_DRV_PRIV << 2)
  35
  36 struct r600_resource {
  37         struct u_resource               b;
  38
  39         /* Winsys objects. */
  40         struct pb_buffer                *buf;
  41         struct radeon_winsys_cs_handle  *cs_buf;
  42
  43         /* Resource state. */
  44         enum radeon_bo_domain           domains;
  45
  46         /* The buffer range which is initialized (with a write transfer,
  47          * streamout, DMA, or as a random access target). The rest of
  48          * the buffer is considered invalid and can be mapped unsynchronized.
  49          *
  50          * This allows unsychronized mapping of a buffer range which hasn't
  51          * been used yet. It's for applications which forget to use
  52          * the unsynchronized map flag and expect the driver to figure it out.
  53          */
  54         struct util_range               valid_buffer_range;
  55 };
  56
  57 struct r600_transfer {
  58         struct pipe_transfer            transfer;
  59         struct r600_resource            *staging;
  60         unsigned                        offset;
  61 };
  62
  63 struct compute_memory_item;
  64
  65 struct r600_resource_global {
  66         struct r600_resource base;
  67         struct compute_memory_item *chunk;
  68 };
  69
  70 struct r600_texture {
  71         struct r600_resource            resource;
  72
  73         unsigned                        array_mode[PIPE_MAX_TEXTURE_LEVELS];
  74         unsigned                        pitch_override;
  75         unsigned                        size;
  76         bool                            non_disp_tiling;
  77         bool                            is_depth;
  78         bool                            is_rat;
  79         unsigned                        dirty_level_mask; /* each bit says if that mipmap is compressed */
  80         struct r600_texture             *flushed_depth_texture;
  81         boolean                         is_flushing_texture;
  82         struct radeon_surface           surface;
  83
  84         /* FMASK and CMASK can only be used with MSAA textures for now.
  85          * MSAA textures cannot have mipmaps. */
  86         unsigned                        fmask_offset, fmask_size, fmask_bank_height;
  87         unsigned                        fmask_slice_tile_max;
  88         unsigned                        cmask_offset, cmask_size;
  89         unsigned                        cmask_slice_tile_max;
  90
  91         struct r600_resource            *htile;
  92         /* use htile only for first level */
  93         float                           depth_clear;
  94
  95         unsigned                        color_clear_value[2];
  96 };
  97
  98 #define R600_TEX_IS_TILED(tex, level) ((tex)->array_mode[level] != V_038000_ARRAY_LINEAR_GENERAL && (tex)->array_mode[level] != V_038000_ARRAY_LINEAR_ALIGNED)
  99
 100 struct r600_fmask_info {
 101         unsigned size;
 102         unsigned alignment;
 103         unsigned bank_height;
 104         unsigned slice_tile_max;
 105 };
 106
 107 struct r600_cmask_info {
 108         unsigned size;
 109         unsigned alignment;
 110         unsigned slice_tile_max;
 111 };
 112
 113 struct r600_surface {
 114         struct pipe_surface             base;
 115
 116         bool color_initialized;
 117         bool depth_initialized;
 118
 119         /* Misc. color flags. */
 120         bool alphatest_bypass;
 121         bool export_16bpc;
 122
 123         /* Color registers. */
 124         unsigned cb_color_info;
 125         unsigned cb_color_base;
 126         unsigned cb_color_view;
 127         unsigned cb_color_size;         /* R600 only */
 128         unsigned cb_color_dim;          /* EG only */
 129         unsigned cb_color_pitch;        /* EG only */
 130         unsigned cb_color_slice;        /* EG only */
 131         unsigned cb_color_attrib;       /* EG only */
 132         unsigned cb_color_fmask;        /* CB_COLORn_FMASK (EG) or CB_COLORn_FRAG (r600) */
 133         unsigned cb_color_fmask_slice;  /* EG only */
 134         unsigned cb_color_cmask;        /* CB_COLORn_CMASK (EG) or CB_COLORn_TILE (r600) */
 135         unsigned cb_color_cmask_slice;  /* EG only */
 136         unsigned cb_color_mask;         /* R600 only */
 137         struct r600_resource *cb_buffer_fmask; /* Used for FMASK relocations. R600 only */
 138         struct r600_resource *cb_buffer_cmask; /* Used for CMASK relocations. R600 only */
 139
 140         /* DB registers. */
 141         unsigned db_depth_info;         /* DB_Z_INFO (EG) or DB_DEPTH_INFO (r600) */
 142         unsigned db_depth_base;         /* DB_Z_READ/WRITE_BASE (EG) or DB_DEPTH_BASE (r600) */
 143         unsigned db_depth_view;
 144         unsigned db_depth_size;
 145         unsigned db_depth_slice;        /* EG only */
 146         unsigned db_stencil_base;       /* EG only */
 147         unsigned db_stencil_info;       /* EG only */
 148         unsigned db_prefetch_limit;     /* R600 only */
 149         unsigned pa_su_poly_offset_db_fmt_cntl;
 150
 151         unsigned                        htile_enabled;
 152         unsigned                        db_htile_surface;
 153         unsigned                        db_htile_data_base;
 154         unsigned                        db_preload_control;
 155 };
 156
 157 /* Return if the depth format can be read without the DB->CB copy on r6xx-r7xx. */
 158 static INLINE bool r600_can_read_depth(struct r600_texture *rtex)
 159 {
 160         return rtex->resource.b.b.nr_samples <= 1 &&
 161                (rtex->resource.b.b.format == PIPE_FORMAT_Z16_UNORM ||
 162                 rtex->resource.b.b.format == PIPE_FORMAT_Z32_FLOAT);
 163 }
 164
 165 void r600_resource_destroy(struct pipe_screen *screen, struct pipe_resource *res);
 166 void r600_init_screen_resource_functions(struct pipe_screen *screen);
 167
 168 /* r600_texture */
 169 void r600_texture_get_fmask_info(struct r600_screen *rscreen,
 170                                  struct r600_texture *rtex,
 171                                  unsigned nr_samples,
 172                                  struct r600_fmask_info *out);
 173 void r600_texture_get_cmask_info(struct r600_screen *rscreen,
 174                                  struct r600_texture *rtex,
 175                                  struct r600_cmask_info *out);
 176 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
 177                                         const struct pipe_resource *templ);
 178 struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
 179                                                 const struct pipe_resource *base,
 180                                                 struct winsys_handle *whandle);
 181
 182 static INLINE struct r600_resource *r600_resource(struct pipe_resource *r)
 183 {
 184         return (struct r600_resource*)r;
 185 }
 186
 187 bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
 188                                      struct pipe_resource *texture,
 189                                      struct r600_texture **staging);
 190
 191 #endif